Where is the engine number located on a opel vectra?

The engine number on an Opel Vectra is typically located on the engine block, often on a flat surface near the front or side of the engine. It can usually be found near the cylinder head or the timing cover. In some models, it may also be stamped on a metal plate attached to the engine. If you're having trouble locating it, consulting the vehicle's manual or a service guide can provide specific details for your model year.